Hourglass Dolphin vs Indo-Pacific Bottlenose Dolphin

Lagenorhynchus cruciger compared with Tursiops aduncus

Key Differences

• Hourglass Dolphin is Least Concern while Indo-Pacific Bottlenose Dolphin is Near Threatened.

Taxonomic Classification

Rank	Hourglass Dolphin	Indo-Pacific Bottlenose Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Lagenorhynchus	Tursiops (Bottlenose Dolphins)
Species	Lagenorhynchus cruciger	Tursiops aduncus

Evolutionary Relationship

Hourglass Dolphin and Indo-Pacific Bottlenose Dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Hourglass Dolphin	Indo-Pacific Bottlenose Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.